416978256 has 40 divisors (see below), whose sum is σ = 1133890720. Its totient is φ = 131677056.

The previous prime is 416978239. The next prime is 416978257. The reversal of 416978256 is 652879614.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416978257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227695 + ... + 229518.

It is an arithmetic number, because the mean of its divisors is an integer number (28347268).

Almost surely, 2^416978256 is an apocalyptic number.

It is an amenable number.

416978256 is an abundant number, since it is smaller than the sum of its proper divisors (716912464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

416978256 is a wasteful number, since it uses less digits than its factorization.

416978256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457243 (or 457237 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 416978256 is about 20420.0454455910. The cubic root of 416978256 is about 747.0869257582.

The spelling of 416978256 in words is "four hundred sixteen million, nine hundred seventy-eight thousand, two hundred fifty-six".